Improvement in auger



g duit/ed ,Stabat @me einer,

T.. M. RI cH'ARD'soN, o

F sfr-oc K T oN," MAINE.

Laarslamt No. 95,379, daad september 2s, r1869.

IMPROVEMENT IN wenn The Schedule referred to in. these Letters Patent and making part of the same.

To all 'whom it 'may concern:

- annexed drawings, making a part of this specification,

and to the letters and tigures of reference marked thereon.

Figure 1, of the drawings, is a plan view of my invention. v

Figures 2 and 3 are details.'

My invention relates to carpenters tools; and

f It consists mainly in the arrangement of novel means by which a removable lip and screw may be attached to or removed from the blade or main worm of an auger at will.

The letter A, of the drawings, represents the main worm or blade of an auger, and the letter B, a removable lip and screw.

'Io provide means for attaching the lip and screw to the worm, I cut out a portion of the\lower end o the worm, in a wedge or dovetailed shape, as shown in iig. 3, and also make a recess in the side of saidv mortise, as shown by the letter c 011 said figure.

My lip and screw are formed on a wedge-shaped by Letters Patent, is

plate, as shown, the side thereof next the recess c having a projection adapted tol fit in and fill said recess.

I am aware that devices, intended to serve the purpose herein set forth, have been made the Subject of invention, but no inventor, so far as I am advised, has ever made the precise arrangements I have speciied. l

The recess o, and the corresponding projection upon the plate, furnish means not heretofore invented for holding the lip and screw firmly. in place.

What I claim as my invention, and desire to secure The method herein movable'lip and screw to the Abody of an auger, consisting. of the dovetail groove and recesso in said body, and the dovetaiI-form of' the lip with the pojectionV therein adapted to said recess, substantially as speciiied.

In testimony that I claim the above, I have hereunto subscribed my name, inthe presence of two wit-r IICSSGS.

T. M. RICHARDSON-i Witnesses y HENRY S. STAPLES, PELEG STAPLES.

described for attaching a ref 

